`1` If you mix red and blue, you will get purple.
`2` If Arsenal wins, they’ll be top of the league.
`3` If it rains, we will cancel the match.
`4` If you take the first bus, you’ll get there on time.
`5` If you need more helpers, I can try and get some time off work.
`6` Mary might deliver your parcel if you ask her.
`7` If I were 20, I would travel around the world.
`8` If Jim lent us a car, we could go to the party.
`9` We would save £ 3.50 a day if we didn't eat any lunch.
`10` If burglars broke into my house, they wouldn't find any money.
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`11` came - would prepare.
`12` lived - would visit.
`13` were - would play.
`14` were - would invite.
`15` studied - would be.
`16` had - could buy.
`17` did - could earn.
`18` got - could ask.
`19` won - would fly.
`20` met - would ask.
$\text{Cấu trúc của cả bài:}$
$\text{Câu điều kiện loại 1: If+ S+ V(s/es), S+ will/ can/ may(not)}$
$\text{+ V-inf.}$
$\text{Câu điều kiện loại 2: If+ S+ V-ed/ V2, S+ would/ could/ should(not)}$
$\text{+ V-inf.}$
$\text{Câu điều kiện loại 3: If+ S+ had+ Vp2, S+ would/ could/ should(not)}$
$\text{+have+ Vp2.}$
